胸廓

胸廓（）又称肋廓（）、肋骨笼，是多数脊椎动物胸部由胸椎、肋骨、胸骨构成的骨质支架。由胸廓围成的空腔称为胸腔。胸廓可以保护胸腔内的心、肺等重要器官。

人类的胸廓由12块胸椎、12对肋骨和肋软骨以及1块胸骨（包括胸骨柄、胸骨体和剑突三部分）构成。

参考文献 
 Orientation of the intercostal muscle fibers in the human rib cage, Subit D., Glacet A., Hamzah M., Crandall J.,  Computer Methods in Biomechanics and Biomedical Engineering, 2015, 18, pp. 2064–2065
 Clinically Oriented Anatomy, 4th ed.  Keith L. Moore and Robert F. Dalley. pp. 62–64
 Principles of Anatomy Physiology, Tortora GJ and Derrickson B. 11th ED. John Wiley and Sons, 2006.  
De Humani Corporis Fabrica

胸部